CN214150244U - Steel pipe bending test machine - Google Patents
Steel pipe bending test machine Download PDFInfo
- Publication number
- CN214150244U CN214150244U CN202023308285.5U CN202023308285U CN214150244U CN 214150244 U CN214150244 U CN 214150244U CN 202023308285 U CN202023308285 U CN 202023308285U CN 214150244 U CN214150244 U CN 214150244U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- column
- pipe bending
- turntable
- bending tester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The patent of the utility model belongs to the technical field of steel pipe bending test, concretely relates to steel pipe bending test machine, compare with prior art, the utility model discloses an advantage lies in with positive effect: (1) the steel pipe limiting support block is used for limiting and supporting one end of a steel pipe sample piece, the steel pipe limiting support block is cuboid and is internally provided with a plurality of parallel through circular holes with different diameters, steel pipes with different diameters can be inserted into the through circular holes with corresponding diameters, the steel pipes do not need to be clamped, and the elliptical deformation of the cross section of each steel pipe is avoided; (2) the bending performance of the steel pipe standard parts with multiple diameters can be detected by using one steel pipe limiting support block; (3) center post and butt post are in pairs demountable installation on the carousel, and every pair the semicircular groove's in the longitudinal section of center post and butt post specification is the same, can install corresponding center post and butt post when detecting the steel pipe bending property of certain diameter, ensures that the centre of curvature and the steel pipe external diameter profile of testing machine suit.
Description
Technical Field
The patent of the utility model belongs to the technical field of steel pipe bending test, concretely relates to steel pipe bending test machine.
Background
The bending tester in the prior art is multi-purpose in the bending property inspection of panel, stick wire rod, has two problems when being used for carrying out bending test to the steel pipe: firstly, the interior of the steel pipe is not provided with fillers, and the cross section of the steel pipe sample piece can be deformed elliptically when the steel pipe sample piece is clamped; secondly, the adaptability between the bending core groove of the bending pipe testing machine and the outer diameter profile of the steel pipe sample piece is poor, so that the cross section of the bending section of the sample piece generates elliptical deformation. Both the above two problems affect the determination of the bending property of the steel pipe.
In the prior art, the cross section of a steel pipe is clamped by two semicircular clamps of a bending tester, so that the cross section of a steel pipe sample piece is not deformed elliptically, but the clamps need to be replaced when the diameter of the steel pipe sample piece is changed, and the efficiency is not high; the detachable steel pipe clamp has a relatively complex structure, a plurality of sets of clamps need to be manufactured, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to foretell problem, a steel pipe bending test machine is provided.
In order to achieve the above object, the utility model discloses a technical scheme be: a steel pipe bending tester comprises a workbench, a turntable and a turntable driving device, wherein the turntable driving device is arranged between the upper surface of the workbench and the lower surface of the turntable, the upper surface of the turntable is detachably connected with a central column and an abutting column, the steel pipe bending tester also comprises a steel pipe limiting support block and a linear transmission device, the steel pipe limiting support block is cuboid, and a plurality of parallel penetrating circular holes with different diameters are formed in the steel pipe limiting support block; the axis of the through round hole is flush with the center position of the center column in the height direction; the linear transmission device is installed on the upper surface of the workbench and comprises a sliding block, the steel pipe limiting supporting block is detachably connected to the upper surface of the sliding block, and the sliding direction of the sliding block is perpendicular to the axis of the through circular hole.
Preferably, the linear transmission device further comprises a lead screw and a polished rod, the lead screw is parallel to the polished rod, the sliding block is matched with the lead screw and the polished rod, and one end of the lead screw is in driving connection with the motor; the sliding block is matched with the lead screw to form a ball screw transmission pair.
Preferably, the turntable driving device comprises an external-tooth slewing bearing and a worm, wherein an inner ring of the external-tooth slewing bearing is installed on the upper surface of the workbench through a screw, and the turntable is installed on the upper surface of an outer ring of the external-tooth slewing bearing.
Preferably, the external teeth of the external-teeth slewing bearing are engaged with a worm, and the worm is driven by a driving motor.
As preferred, carousel upper surface can dismantle and be connected with center post and butt joint post, specifically is: the lower end faces of the central column and the abutting columns are fixedly connected with a first clamping block and a second clamping block respectively, a first clamping groove is formed in the center of the upper surface of the rotary table, a plurality of second clamping grooves are formed in the positions, away from the center, of the upper surface of the rotary table at different distances, the first clamping block can be matched with the first clamping groove, and the second clamping block can be matched with the second clamping groove.
Preferably, the diameters of the upper end and the lower end of the central column and the abutting column are large, the diameter of the middle of the central column and the abutting column is small, and the left side and the right side of the longitudinal section of the central column and the abutting column are both semicircular grooves; the central column and the abutting columns are detachably connected to the upper surface of the rotary table in pairs, and the semi-circular grooves in the longitudinal sections of each pair of the central column and the abutting columns are identical in specification.
Preferably, the first latch and the second latch are cylindrical or rectangular.
Preferably, the steel pipe limit support block can be dismantled and connect at the slider upper surface, specifically is: the steel pipe limiting support block is detachably connected to the upper surface of the sliding block through a screw.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
(1) the steel pipe limiting support block is used for limiting and supporting one end of a steel pipe sample piece, the steel pipe limiting support block is cuboid and is internally provided with a plurality of parallel through circular holes with different diameters, steel pipes with different diameters can be inserted into the through circular holes with corresponding diameters, the steel pipes do not need to be clamped, and the elliptical deformation of the cross section of each steel pipe is avoided; (2) the bending performance of the steel pipe standard parts with multiple diameters can be detected by using one steel pipe limiting support block; (3) center post and butt post are in pairs demountable installation on the carousel, and every pair the semicircular groove's in the longitudinal section of center post and butt post specification is the same, can install corresponding center post and butt post when detecting the steel pipe bending property of certain diameter, ensures that the centre of curvature and the steel pipe external diameter profile of testing machine suit.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings required to be used in the description of the embodiment will be briefly introduced below, fig. 1 is a schematic diagram of a steel pipe bending tester provided in embodiment 1, fig. 2 is a schematic diagram of a longitudinal section of a central column and an abutting column in the steel pipe bending tester, fig. 3 is a schematic diagram of an external tooth slewing bearing and a worm under a turntable of the steel pipe bending tester, and fig. 4 is a schematic diagram of a steel pipe limit support block in the steel pipe bending tester in embodiment 2.
The device comprises a workbench, 2 rotating discs, 3 steel pipe limiting support blocks, 4 linear transmission devices, 21 central columns, 22 abutting columns, 23 external tooth slewing bearing, 24 worms, 31 penetrating circular holes, 41 sliding blocks, 42 lead screws and 43 polished rods.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Example 1
The utility model is further described with reference to the accompanying drawings 1-3, a steel pipe bending tester, as shown in fig. 1 and 2, comprises a workbench 1, a turntable 2 and a turntable driving device, the turntable driving device is arranged between the upper surface of the workbench 1 and the lower surface of the turntable 2, the upper surface of the turntable 2 is detachably connected with a central column 21 and an abutting column 22, the steel pipe bending tester also comprises a steel pipe limit support block 3 and a linear transmission device 4, the steel pipe limit support block 3 is cuboid-shaped and is internally provided with a plurality of through circular holes 31 with different diameters and parallel to each other, the through circular holes 31 with different diameters correspond to steel pipe standard parts with different diameters, and the inner diameter of each through circular hole 31 is the same as the diameter of the corresponding standard part without counting the fit tolerance; the axis of the through round hole 31 is flush with the center position of the center post 21 in the height direction.
As shown in figure 1, the linear transmission device 4 is installed on the upper surface of the workbench 1, the linear transmission device 4 comprises a sliding block 41, the steel pipe limit supporting block 3 is detachably connected on the upper surface of the sliding block 41, and the sliding direction of the sliding block 41 is perpendicular to the axis of the through circular hole 31.
As shown in fig. 1, the linear actuator 4 further comprises a lead screw 42 and a polished rod 43, the lead screw 42 is parallel to the polished rod 43, the slider 41 is matched with the lead screw 42 and the polished rod 43, one end of the lead screw 42 is in driving connection with a motor, and the other end of the lead screw 42 is arranged on a circumferential guard plate of the workbench 1 through a bearing and a bearing seat; the slide block 41 and the lead screw 42 are matched to form a ball screw transmission pair.
As shown in fig. 1 and 3, the turntable driving device comprises an external-tooth slewing bearing 23 and a worm 24, wherein an inner ring of the external-tooth slewing bearing 23 is mounted on the upper surface of the workbench 1 through a screw, and the turntable 2 is mounted on an outer ring upper surface of the external-tooth slewing bearing 23.
As shown in fig. 3, the external teeth of the external-teeth slewing bearing 23 mesh with a worm 24, and the worm 24 is driven by a drive motor.
As shown in fig. 2, the upper surface of the turntable 2 is detachably connected with a central column 21 and an abutting column 22, specifically: end face difference fixedly connected with fixture block one, fixture block two under center post 21 and the butt post 22, draw-in groove one is established at 2 upper surface centers of carousel, 2 upper surfaces of carousel establish a plurality of draw-in grooves two apart from the center department of difference (change behind different center post 21 and butt post 22, butt post 22 week side and the contact of central post 21 week side, at this moment according to the butt post 22 of difference confirm the draw-in groove two positions apart from the distance of the carousel centre of a circle), fixture block one can cooperate with draw-in groove one, fixture block two can cooperate with draw-in groove two. The first clamping block and the second clamping block are cylindrical or cuboid
As shown in fig. 2, the diameters of the upper and lower ends of the central column 21 and the abutting column 22 are large, the diameters of the middle parts of the central column 21 and the abutting column 22 are small, and the left and right sides of the longitudinal sections of the central column 21 and the abutting column 22 are semicircular grooves; the central column 21 and the abutting column 22 are detachably connected to the upper surface of the turntable 2 in pairs, and the semicircular grooves in the longitudinal section of each pair of the central column 21 and the abutting column 22 have the same specification.
The steel pipe limit support block 3 can be dismantled and connect at the slider 41 upper surface, specifically is: the steel pipe limiting support block 3 is detachably connected to the upper surface of the sliding block 41 through a screw.
The utility model discloses a steel pipe bending test machine theory of operation: (1) before the bending performance of a steel pipe with a certain diameter is detected, a corresponding central column 21 and an abutting column 22 are installed on a turntable, the peripheries of the central column 21 and the abutting column 22 are in contact, and a circular hole cavity is formed by two circumferential semicircular grooves in an enclosing mode; (2) starting a driving motor to drive a worm 24 to rotate, and rotating a slewing bearing 23 with external teeth and a turntable 2 on the slewing bearing until the axial direction of the circular hole cavity is parallel to the axial direction of a through circular hole 31 in a steel pipe limiting support block 3; (3) starting a motor of the linear transmission device 4, rotating the lead screw 42, and linearly moving the sliding block 41 relative to the lead screw 42 until the corresponding through circular hole 31 above the sliding block 41 is aligned with a circular hole cavity surrounded by the central column 21 and the abutting column 22; (4) the steel pipe sample piece sequentially penetrates through the through round hole 31 and the round hole cavity until penetrating through the round hole cavity for a certain distance, and the other end of the steel pipe sample piece is still positioned in the through round hole 31; (5) the driving motor is started again to drive the worm 24 to rotate, the external tooth slewing bearing 23 and the turntable 2 on the external tooth slewing bearing rotate along with the external tooth slewing bearing, and the steel pipe sample piece is pressed to be bent in the rotation process of the abutting column 22 on the upper surface of the turntable 2 until the steel pipe sample piece reaches a specified bending angle; (6) the abutting column 22 is detached, so that the bent steel pipe sample can be conveniently taken out for judgment.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
(1) the steel pipe limiting support block is used for limiting and supporting one end of a steel pipe sample piece, the steel pipe limiting support block is cuboid and is internally provided with a plurality of parallel through circular holes with different diameters, steel pipes with different diameters can be inserted into the through circular holes with corresponding diameters, the steel pipes do not need to be clamped, and the elliptical deformation of the cross section of each steel pipe is avoided; (2) the bending performance of the steel pipe standard parts with multiple diameters can be detected by using one steel pipe limiting support block; (3) center post and butt post are in pairs demountable installation on the carousel, and every pair the semicircular groove's in the longitudinal section of center post and butt post specification is the same, can install corresponding center post and butt post when detecting the steel pipe bending property of certain diameter, ensures that the centre of curvature and the steel pipe external diameter profile of testing machine suit.
Example 2
The difference between this example and example 1 is: in embodiment 1, the steel pipe limiting support block 3 is a whole block, in order to further reduce the processing difficulty, two steel pipe limiting support blocks 3 can be installed above the slider 41, the length of each steel pipe limiting support block 3 is reduced, and the two steel pipe limiting support blocks 3 are arranged at intervals and aligned, as shown in fig. 4.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the technical matters of the present invention are not departed from the technical contents of the present invention, and any simple modification and equivalent changes made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A steel pipe bending tester comprises a workbench (1), a turntable (2) and a turntable driving device, wherein the turntable driving device is arranged between the upper surface of the workbench (1) and the lower surface of the turntable (2), and the upper surface of the turntable (2) is detachably connected with a center column (21) and an abutting column (22), and the steel pipe bending tester is characterized by further comprising a steel pipe limiting support block (3) and a linear transmission device (4), wherein the steel pipe limiting support block (3) is cuboid and is internally provided with a plurality of parallel penetrating circular holes (31) with different diameters; the axis of the through round hole (31) is flush with the center position of the center post (21) in the height direction;
the linear transmission device (4) is installed on the upper surface of the workbench (1), the linear transmission device (4) comprises a sliding block (41), the steel pipe limiting supporting block (3) is detachably connected to the upper surface of the sliding block (41), and the sliding direction of the sliding block (41) is perpendicular to the axis of the through round hole (31).
2. The steel pipe bending tester according to claim 1, wherein the linear transmission device (4) further comprises a lead screw (42) and a polished rod (43), the lead screw (42) and the polished rod (43) are parallel, the sliding block (41) is matched with the lead screw (42) and the polished rod (43), and one end of the lead screw (42) is in driving connection with a motor; the sliding block (41) and the lead screw (42) are matched to form a ball screw transmission pair.
3. The steel pipe bending tester according to claim 1, wherein the turntable driving device comprises an external-tooth slewing bearing (23) and a worm (24), an inner ring of the external-tooth slewing bearing (23) is mounted on the upper surface of the workbench (1) through a screw, and the turntable (2) is mounted on an upper surface of an outer ring of the external-tooth slewing bearing (23).
4. The steel pipe bending tester according to claim 3, wherein the external teeth of the external-teeth slewing bearing (23) are engaged with a worm (24), and the worm (24) is driven by a driving motor.
5. The steel pipe bending tester according to claim 1, wherein the top surface of the turntable (2) is detachably connected with a center column (21) and a butting column (22), specifically: the lower end faces of the central column (21) and the abutting column (22) are fixedly connected with a first clamping block and a second clamping block respectively, the first clamping groove is formed in the center of the upper surface of the rotary disc (2), a plurality of second clamping grooves are formed in the positions, away from the center, of the upper surface of the rotary disc (2) at different distances, the first clamping block can be matched with the first clamping groove, and the second clamping block can be matched with the second clamping groove.
6. The steel pipe bending tester according to claim 5, wherein the central column (21) and the abutting column (22) have a large diameter at the upper end and a small diameter at the lower end, and a semicircular groove is formed in each of the left side and the right side of the longitudinal section of the central column (21) and the abutting column (22); the central column (21) and the abutting column (22) are detachably connected to the upper surface of the rotary table (2) in pairs, and the specifications of semicircular grooves in the longitudinal sections of each pair of the central column (21) and the abutting column (22) are the same.
7. The steel pipe bending tester according to claim 6, wherein the first and second latches are cylindrical or rectangular.
8. The steel pipe bending tester according to claim 1, wherein the steel pipe limit support block (3) is detachably connected to the upper surface of the slider (41), specifically: the steel pipe limiting support block (3) is detachably connected to the upper surface of the sliding block (41) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308285.5U CN214150244U (en) | 2020-12-30 | 2020-12-30 | Steel pipe bending test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308285.5U CN214150244U (en) | 2020-12-30 | 2020-12-30 | Steel pipe bending test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214150244U true CN214150244U (en) | 2021-09-07 |
Family
ID=77544861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023308285.5U Active CN214150244U (en) | 2020-12-30 | 2020-12-30 | Steel pipe bending test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214150244U (en) |
-
2020
- 2020-12-30 CN CN202023308285.5U patent/CN214150244U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112857426A (en) | Multistation detection device based on automated control | |
| CN104708079B (en) | The processing method of Different Plane angle hole frock clamp and angle hole | |
| CN112372344A (en) | Clamp for milling waveguide tube of slot antenna | |
| CN214150244U (en) | Steel pipe bending test machine | |
| CN213003586U (en) | Pipeline rapid welding auxiliary device | |
| CN109374411B (en) | Tensile testing device for bending material | |
| CN212007358U (en) | Press from both sides dress ultrasonic flowmeter with pressing from both sides dress structure | |
| CN113927322A (en) | Pipe fitting positioning device and equipment for processing pipe fitting | |
| CN215339345U (en) | Fatigue testing device | |
| CN219015186U (en) | Convenient detection machine for piston rod | |
| CN217819394U (en) | Durability testing device based on mechanical arm | |
| CN212988308U (en) | Cylindrical part surface quality detection device | |
| CN218211917U (en) | Worm detects anchor clamps with multi-angle regulatory function | |
| CN217413806U (en) | Splicing clamp of motor | |
| CN2592333Y (en) | Clamp for piston outer diameter working machine | |
| CN218312042U (en) | Clamp for clamping precision parts | |
| CN213616340U (en) | Connector with a locking member | |
| CN220278371U (en) | Auto-parts surface milling equipment | |
| CN216226990U (en) | Clamp for part machining | |
| CN116399208B (en) | Center distance detection device for flange plate | |
| CN220498905U (en) | Steel construction adds clamping apparatus | |
| CN220073780U (en) | Multi-angle welding deflection device for machine room support | |
| CN207882065U (en) | A kind of outer collet of square tube pull resistance detection device | |
| CN213688263U (en) | Fixture for hob detector | |
| CN207832575U (en) | A kind of inner spindle of square tube pull resistance detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |